Knockd, to secure your ports on Linux

[ Thanks to linuxaria for this link. ]

"Installation: Knockd it's available in the repository of the major distributions, i'm using it on Ubuntu/Debian where the package it's available.

"Configuration: knockd reads all knock/event sets from a configuration file. Each knock/event begins with a title marker, in the form [name], where name is the name of the event that will appear in the log. A special marker, [options], is used to define global options."

Complete Story

Related Stories:

• Managing Multiple Linux Servers with ClusterSSH(Feb 24, 2011)
• 10 Android Apps for Linux Server Admins(Feb 22, 2011)
• 5 VPN Clients for Linux(Jan 18, 2011)
• 5 More Online Data Backup Services for Linux(Jan 10, 2011)
• PHP Scripts for Interacting with Networks(Dec 15, 2010)
• 6 Secure Linux Wi-Fi Authentication Servers(Nov 15, 2010)